oil in coolant = definite blown head gasket?
#5
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In some head gasket cases oil will mix with the coolant, in other cases coolant will mix with the oil, you might not nescesarily have both. Also, I agree with matty that it could be dirt, I wouldn't be worried unless you see oil floating around when you open the radiator cap, or if you cleaned the reservoir and still see oil. If it is oil, the only possible causes are a blown headgasket, a cracked head, a cracked block, or a junk radiator (<--- if it's an automatic tranny)
#9
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If you have oil in your coolant, you probably do have a headgasket issue, but you have the better one of the two. You can either have coolant in your oil, or oil in your coolant. OIL IN YOUR COOLANT IS MUCH BETTER. You can still drive your car like this as long as you drain your radiator every so often and check your oil. This way you can drive your car and save money for an engine swap or rebuild.
#10
When i worked at a small shop before Toyota I saw a car that had its timing chain too loose that when it it rotated at high speeds, it wore a hole into a coolant passage which in return mixed Oil in with the coolant. I dont know if that helps but i mean our cars have timing chains, and metal griding on metal makes big holes.
2) If u have coolant mixed with TRANS fluid ur trans is over/done/finished/no more.
2) If u have coolant mixed with TRANS fluid ur trans is over/done/finished/no more.
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